You're reading from Embedded Linux Development Using Yocto Project - Third Edition

Product typeBook

Published inApr 2023

PublisherPackt

ISBN-139781804615065

Edition3rd Edition

Concepts

Operating Systems

Authors (2):

Otavio Salvador

Daiane Angolini

View More author details

Fetching the source code

When we download the Poky source code, we download the metadata collection and the BitBake tool. One of the main features supported by BitBake is additional source code fetching.

The ability of fetching external source code is as modular and flexible as possible. For example, every Linux-based system includes the Linux kernel and several other utilities that form the root filesystem, such as OpenSSH or BusyBox.

The OpenSSH source code is available from its upstream website as a tar.gz file hosted on an HTTP server, while the Linux kernel release is in a Git repository. Therefore, BitBake can easily fetch those two different instances of source code.

BitBake offers support for many different fetcher modules that allow the retrieval of tarball files and several other SCM systems, such as the following:

Amazon AWS S3
Android repo
Azure Storage
Bazaar
ClearCase
CVS
FTP
Git
Git Annex
Git submodules
HTTP(S...

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Embedded Linux Development Using Yocto Project - Third Edition

Published in: Apr 2023Publisher: PacktISBN-13: 9781804615065

Authors (2)

Otavio Salvador

Otavio Salvador loves technology and started his free software activities in 1999. In 2002, he founded O.S. Systems, a company focused on embedded system development services and consultancy worldwide, creating and maintaining customized BSPs, and helping companies with their product developments challenges. This resulted in his joining the OpenEmbedded community in 2008, when he became an active contributor to the OpenEmbedded project.
Read more about Otavio Salvador

Daiane Angolini

Daiane Angolini has been working with embedded Linux since 2008. She has been working as an application engineer at NXP, acting on internal development, porting custom applications from Android, and on-site customer support for i.MX architectures in areas such as the Linux kernel, u-boot, Android, Yocto Project, and user-space applications. However, it was on the Yocto Project that she found her place.
Read more about Daiane Angolini

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